RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results

Surface Complex Formation Data:

Mineral:	Bentonite
Reference:	MGLAK09
SCM Type:	CDM - (CD-)MUSIC
Ligand:	SeO3<2-> - selenite
Site Type:	»Si-doubly
Equation:	»X-OH<0.5-> + SeO3<2-> + H<1+> ⇔ »X-OH-HSeO3<0.5->
LogK:	11.16 LogK°_I=0 (Conversion to I = 0): 11.59
Experiment:	Batch Sorption Experiments
Ionic Strength:	0.05 mol/L NaNO3
Temperature:	296.15 K
pH Range:	3-10
Ligand Concentration Range:	5E-7 mol/L
Fit Method:	PHREEQC
Comment:	site type: Al(Oh) - O - Si(Td); S/L ratio ranged from 5 - 40 g/L; original equation in the study: »X-OH<0.5-> + HSeO3<1-> = »X-OH-HSeO3<0.5-> with logK = 2.8; formation constant logK = -8.36 for the equation HSeO3<1-> = H<1+> + SeO3<2-> [ONOOR05]

1 data sets were retrieved